import 'dart:math';

const String alphabet = 'qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM';

class NumberCode {
  static String code() {
    for (var i = 0; i <= 10; i++) {
      return alphabet[Random().nextInt(alphabet.length)];
    }
  }
}
